SDR CALA2023050301334

Service difficulty report · Adiru · Boeing 737900ER

Difficulty date: May 3, 2023
Submitted: May 3, 2023
Operation: Air carrier
Aircraft: N39415
Make and model: Boeing 737900ER
Aircraft serial: 32826
Aircraft time: 48,777 hours, 17,167 cycles
System (JASC): 3421 · Attitude Gyro and Indicating System
Part: Adiru
Part number: HG2050AC07
Part serial: 00073729
Condition: Unknown
Location: Left Side
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

IRS 1 FAILED IN FLIGHT REMOVED AND REPLACED ADIRU 1 REF AMM 34-21-01/401. OPS TEST OK. REQUIRES CAT III TEST. PARTS USED: 29-3421-9-0010,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1925837 SN OFF 3729 UNIT, ADIRU, AI OFF 29-3421-9-0010 3729 ON 29-3421-9-0010 2018

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